What does the tree of life represent

The tree of life is a metaphor which expresses the idea that all life is related by common descent. Charles Darwin was the first to use this metaphor in modern biology. It had been used many times before for other purposes. The evolutionary tree shows the relationships among various biological groups.

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I hope this helps.

The tree of life is a metaphor and it expresses the idea that all of the life is related by common descent. Charles Darwin was known to be the first person to use this metaphor in modern biology. It was used many of times before for other purposes, just not for this. The evolutionary tree had shown that the relationships among various biological groups.

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask